| 28 | | | HS Code for Inorganic chemicals; inorganic or organic compounds of precious metals, radioactive elements, rare land metals or isotope metals |
| 2827 | | HS Code for Chlorides chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides |
| | 28276000 | Iodide and iodine oxide |
| 2828 | | HS Code for Hypochlorites; commercial calcium hypochlorites; |
| | 28281000 | Commodity calcium hypochlorite and other calcium hypochlorite |
| | 28289000 | Hypobromite, chlorite, hypochlorite other |
| 2829 | | HS Code for Chlorates and perchlorates; bromates and perbromates; iodates and periodates |
| | 28291100 | Sodium chlorate |
| | 28291910 | Potassium chlorate (foreign nox) |
| | 28291990 | Other chlorate |
| | 28299000 | Perchlorates; bromates and perbromate; iodate and periodate salts |
| 2830 | | HS Code for Sulphides; polysulphides whether or not chemically defined |
| | 28301010 | Sodium sulfide |
| | 28301090 | Other sodium sulfide |
| | 28309020 | Antimony sulfide |
| | 28309030 | Cobalt sulfide |
| | 28309090 | Other sulfide, polysulfide |
| 2831 | | HS Code for Dithionites and sulphoxylates |
| | 28311010 | Sodium dithionite |
| | 28311020 | Sodium sulfoxylate |
| | 28319000 | Other hydrosulfite and hyposulfite |
| 2832 | | HS Code for Sulphites; thiosulphates |
| | 28321000 | Sodium sulfite |
| | 28322000 | Other sulfite |
| | 28323000 | Thiosulfate |
| 2833 | | HS Code for Sulphates; alums; peroxosulphates (persulphates) |
| | 28331100 | Sulfuric acid disodium |
| | 28331900 | Other sodium sulfate |
| | 28332100 | Magnesium |
| | 28332200 | Aluminum sulfate |
| | 28332400 | Nickel sulfate |
Harmonized Tariff Schedule of China inquiry: textile
